Stone working – Sawing – Endless
Patent
1986-05-28
1987-06-02
Whitehead, Harold D.
Stone working
Sawing
Endless
125 16R, B28D 130
Patent
active
046694463
ABSTRACT:
The present invention concerns improvements in wire saws for the shaping of stone, granite and the like and more particularly the wire saw described in the U.S. patent application 604,520 of the same applicant.
The wire saw that is the object of the improvements comprises a vertical fixed frame (1) in which is displaced in translation a movable chassis (2) and a block-carrying carriage (4) movable in horizontal translation beneath the fixed frame (1) and comprising a guide panel (18) in which is displaced a guide arm (14) fixed to the movable chassis (2). The improvements according to the present invention are characterized in that the block-carrying carriage (4) is provided, for its displacement, with mechanical means actuated by a counterweight (21) and a variable speed mechanical automatic advance system coupled to the said mechanical means so as to impart to the displacement of the said carriage a maximum speed.
REFERENCES:
patent: 1017207 (1912-02-01), Eggers
patent: 1706406 (1929-03-01), Legge
patent: 2674238 (1954-04-01), Dessureau
patent: 2803239 (1957-08-01), D'Avaucourt
patent: 2866448 (1958-12-01), Dressureau et al.
patent: 2924050 (1960-02-01), Barron
patent: 3158146 (1964-11-01), Allen
patent: 3490815 (1970-01-01), Poston
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